EnglishShow more Special senses of general English.
1.Mining and Geology. [Special sense of English pipe ‘a vein of ore of a more or less cylindrical form’ (OED); see quotation 1985.]A vertical, cylindrical mass of volcanic agglomerate in which diamonds occur.See also blue ground.
1873E.J. Dunn inQuarterly Jrnl of Geol. Soc. (1874) XXX. 54The contents of these ‘pipes’ in the shale are the same in all cases, and show distinctly that they are of igneous origin.
1886J. NobleCape of G.H.: Off. Handbk 194The strata..where cut through by the vertical ‘pipe,’ have their edges turned sharply upwards, as by a pressure from below.
1889H.A. BrydenKloof & Karroo 201[I] believe that like the Kimberley ‘pipe,’ — as diggers call it — the diamondiferous earth had been shot upwards funnel-wise from below.
1903Daily Chron. (U.K.) 2 June 2Diamonds..only appear at the surface in places where they have shared in a volcanic upheaval. Hence they are found in what are technically known as pipes.
1920F.C. CornellGlamour of Prospecting 89In many places along our..route..we came across..well-defined ‘pipes’..in which ‘yellow’ and ‘blue’ ground..was disclosed in dry watercourses.
1920R.H. Lindsey-RentonDiary (1979) 36The diamonds are found in what is known as ‘blue ground’, the soil being of a colour which might by a stretch of imagination be called pale blue. This soil is found in ‘pipes’, that is a more or less circular area of ground stretching down, practically perpendicular, I believe, towards the centre of the earth.
a1930G. Baumann inBaumann & BrightLost Republic (1940) 141Two prospectors..came and asked me to do a survey of the farm on which the vlei stood, as they had discovered a diamond pipe.
1941C.W. De KiewietHist. of S. Afr. 92Here on the veld were alluvial deposits too, but the greatest proportion of diamonds was found in the unique geological formation of pipes of blue ground running deep into the earth.
1968S. TolanskyStrategic Diamond 26Broadly speaking, diamonds occur in two kinds of deposits, namely in deep mines, in what are called ‘pipes’, and in alluvial deposits, once perhaps riverbeds, or even marine beds.
1971The 1820Vol.43No.11, 26The alluvial diggings were soon overshadowed..in 1870 and 1871 when the sites of five diamond-bearing volcanic pipes were disclosed — four of them in an area of less than five square miles that was to be Kimberley...Diamonds to great depths were found in the pipes.
1985A.J.A. Janse inGlover & HarrisKimberlite Occurrence & Origin 24The person who first introduced the term ‘pipes’ in print and who usually gets the credit for being the first to recognise the igneous origin of this peculiar kind of breccia in a matrix of gabbro, was the Australian geologist E.J. Dunn, who was at the time the Geological Survey geologist for the Cape Province.
1970ForumVol.6No.2, 20How’s the pipe? I tend to miss every joint, pipe, roach, cookie, roller, twist, cob, stick, grass-thing that’s around.
1972Rhodeo (Rhodes Univ.) 23 Mar. 4Like Friday night starts with cracking a coupla’ pipes, sinking a jack of Martell and splitting for the fuzz shop.
1972Argus 1 Apr. 7A young boy asked my daughter at Clifton the other day whether she liked ‘the pipes’. She at first thought he meant bagpipes. Then she discovered he was inviting her to smoke dagga.
1987S.A. Botha inFrontline Oct.–Nov. 11You wanna zol, my bra? Here’s a fat blade. Easy make two, three pipes out of this, my bra.
1991A. Barker inDaily Dispatch 8 Jan. 8Unscrupulous dealers are supplying deadly fakes, disguised as the crude pills. ‘Guys just keel over after a pipe. You say wow, what a rush, Then you see the guy is dead.’
Unfortunately you are using a browser that is either outdated or not supported.
To view the content of dsae.co.za with full functionality, please use the latest version of one of the browsers hyperlinked below.